:root {
  --cobalt:#3559D5; --cobalt-dark:#2A47B0; --navy:#20346F; --bg:#F3F6FF; --line:#D7DFF5; --text:#1B2340; --muted:#5A6482;
  --ok:#1B8A5A; --warn:#B7791F; --danger:#B42318;
  --wrap:1200px; --gutter:clamp(16px, 4vw, 40px); --radius:20px;
  --shadow:0 1px 2px rgba(32,52,111,.06), 0 8px 24px -12px rgba(32,52,111,.18);
}
* { box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body { margin:0; font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; color:var(--text); background:var(--bg); min-height:100vh; display:flex; flex-direction:column; }
main { flex:1; }
a { color:var(--cobalt); }
img, svg { max-width:100%; display:block; }
.wrap { width:min(var(--wrap), 100% - 2*var(--gutter)); margin-inline:auto; }
.skip { position:absolute; left:-999px; top:8px; background:#fff; padding:8px 12px; border-radius:8px; z-index:100; }
.skip:focus { left:8px; }

/* ---------- Header ---------- */
.nav { background:var(--navy); color:#fff; position:sticky; top:0; z-index:50; box-shadow:0 1px 0 rgba(255,255,255,.08); }
.nav .wrap { display:flex; align-items:center; justify-content:space-between; gap:16px; min-height:64px; }
.brand { display:flex; align-items:center; gap:10px; color:#fff; text-decoration:none; font-weight:700; letter-spacing:.02em; font-size:18px; }
.brand img { width:36px; height:36px; border-radius:10px; }
.nav ul { list-style:none; display:flex; gap:6px; margin:0; padding:0; }
.nav ul a { color:#fff; text-decoration:none; opacity:.85; padding:8px 14px; border-radius:10px; display:block; font-weight:500; }
.nav ul a:hover { opacity:1; background:rgba(255,255,255,.1); }
.nav ul a[aria-current] { opacity:1; background:rgba(255,255,255,.16); }
.nav-toggle { display:none; background:none; border:0; color:#fff; width:44px; height:44px; border-radius:10px; cursor:pointer; padding:10px; }
.nav-toggle:hover { background:rgba(255,255,255,.1); }
.nav-toggle svg { width:24px; height:24px; }
@media (max-width:760px) {
  .nav-toggle { display:inline-flex; }
  .nav nav { position:absolute; left:0; right:0; top:100%; background:var(--navy); padding:8px var(--gutter) 16px; display:none; box-shadow:0 12px 24px -12px rgba(0,0,0,.4); }
  .nav nav.open { display:block; }
  .nav ul { flex-direction:column; gap:2px; }
  .nav ul a { padding:12px 14px; font-size:17px; }
}

/* ---------- Hero ---------- */
.hero { background:linear-gradient(135deg,var(--navy),var(--cobalt)); color:#fff; padding:clamp(40px,7vw,88px) 0 clamp(56px,8vw,104px); position:relative; overflow:hidden; }
.hero::before, .hero::after { content:""; position:absolute; border-radius:50%; background:#fff; opacity:.05; pointer-events:none; }
.hero::before { width:520px; height:520px; right:-160px; top:-260px; }
.hero::after { width:360px; height:360px; left:-120px; bottom:-240px; }
.hero .wrap { position:relative; display:grid; gap:28px; align-items:center; grid-template-columns:minmax(0,1fr) auto; }
.hero h1 { margin:0 0 12px; font-size:clamp(30px,4.5vw,52px); line-height:1.1; letter-spacing:-.01em; }
.hero p { margin:0; font-size:clamp(16px,1.6vw,20px); opacity:.92; max-width:60ch; }
.hero .eyebrow { font-size:13px; letter-spacing:.1em; text-transform:uppercase; opacity:.8; margin-bottom:14px; font-weight:600; }
.hero .mark { width:clamp(96px,14vw,168px); height:auto; filter:drop-shadow(0 16px 32px rgba(0,0,0,.25)); }
.hero .actions { margin-top:24px; }
.hero .btn { background:#fff; color:var(--navy); }
.hero .btn.ghost { background:rgba(255,255,255,.14); color:#fff; border:1px solid rgba(255,255,255,.3); }
@media (max-width:760px) { .hero .wrap { grid-template-columns:1fr; } .hero .mark { display:none; } }

main { padding:clamp(28px,4vw,48px) 0 clamp(48px,6vw,80px); }
.hero + main { margin-top:-32px; position:relative; }

/* ---------- Cards & sections ---------- */
.card { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:clamp(20px,3vw,32px); box-shadow:var(--shadow); }
section + section { margin-top:clamp(24px,3vw,36px); }
.section-head { display:flex; align-items:baseline; justify-content:space-between; gap:12px; flex-wrap:wrap; margin-bottom:16px; }
.section-head h2 { margin:0; }
h2 { font-size:clamp(20px,2.2vw,26px); margin:0 0 16px; color:var(--navy); letter-spacing:-.01em; }
h3 { margin:0 0 4px; font-size:18px; }
.muted { color:var(--muted); font-size:14px; }
.empty { color:var(--muted); font-style:italic; }

.grid { display:grid; gap:clamp(14px,2vw,20px); grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr)); }
.two-col { display:grid; gap:clamp(16px,2.5vw,28px); grid-template-columns:minmax(0,1.5fr) minmax(0,1fr); align-items:start; }
@media (max-width:900px) { .two-col { grid-template-columns:1fr; } }

.app-card { display:flex; gap:16px; align-items:flex-start; text-decoration:none; color:inherit; transition:transform .15s, border-color .15s; }
.app-card:hover { border-color:var(--cobalt); transform:translateY(-2px); }
.app-icon { width:64px; height:64px; border-radius:16px; background:linear-gradient(135deg,var(--navy),var(--cobalt)); color:#fff; display:grid; place-items:center; font-weight:700; font-size:24px; flex:none; overflow:hidden; }
.app-icon img { width:100%; height:100%; object-fit:cover; }
.app-card h3 { font-size:19px; }
.app-card .muted { margin:0 0 8px; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }

.badge { display:inline-block; font-size:12px; font-weight:600; padding:3px 10px; border-radius:999px; background:var(--bg); color:var(--navy); border:1px solid var(--line); vertical-align:middle; line-height:1.4; }
.badge.ok { background:#E6F6EE; color:var(--ok); border-color:#BFE6D1; }
.badge.warn { background:#FFF6E5; color:var(--warn); border-color:#F5DFB3; }
.badge.muted { background:#F1F2F6; color:var(--muted); }

.btn { display:inline-flex; align-items:center; gap:8px; padding:11px 20px; border-radius:12px; background:var(--cobalt); color:#fff; text-decoration:none; font-weight:600; border:0; cursor:pointer; font-size:15px; line-height:1.2; transition:background .15s; }
.btn:hover { background:var(--cobalt-dark); }
.btn.secondary { background:#fff; color:var(--cobalt); border:1px solid var(--line); }
.btn.secondary:hover { background:var(--bg); }
.btn.danger { background:#fff; color:var(--danger); border:1px solid #F1C4BF; }
.btn.small { padding:7px 12px; font-size:13px; }
.actions { display:flex; gap:10px; flex-wrap:wrap; margin-top:18px; }
@media (max-width:480px) { .actions .btn { flex:1 1 auto; justify-content:center; } }

/* ---------- Timeline / lists ---------- */
.timeline { list-style:none; margin:0; padding:0; }
.timeline li { padding:16px 0; border-top:1px solid var(--line); }
.timeline li:first-child { border-top:0; padding-top:0; }
.timeline li:last-child { padding-bottom:0; }
.timeline .meta { display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-bottom:6px; }
.timeline h3 a { color:inherit; text-decoration:none; }
.timeline h3 a:hover { color:var(--cobalt); }

/* ---------- Prose ---------- */
.prose { max-width:75ch; }
.prose.full { max-width:none; }
.prose h1 { font-size:clamp(24px,3vw,30px); color:var(--navy); margin:0 0 16px; }
.prose h2 { font-size:21px; margin:32px 0 10px; }
.prose h3 { font-size:17px; margin:22px 0 6px; }
.prose p, .prose ul, .prose ol { margin:10px 0; }
.prose li { margin:4px 0; }
.prose table { width:100%; border-collapse:collapse; margin:14px 0; font-size:15px; }
.prose th, .prose td { border:1px solid var(--line); padding:9px 12px; text-align:left; vertical-align:top; }
.prose th { background:var(--bg); }
.prose code { background:var(--bg); padding:1px 6px; border-radius:6px; font-size:.92em; }
.prose pre { background:var(--bg); padding:14px; border-radius:12px; overflow:auto; }
.prose blockquote { margin:14px 0; padding:6px 18px; border-left:4px solid var(--cobalt); background:var(--bg); border-radius:0 12px 12px 0; color:var(--muted); }
.prose hr { border:0; border-top:1px solid var(--line); margin:24px 0; }
@media (max-width:640px) {
  .prose table, .prose thead, .prose tbody, .prose tr, .prose th, .prose td { display:block; }
  .prose thead { display:none; }
  .prose td { border:0; border-bottom:1px solid var(--line); }
  .prose tr { margin-bottom:12px; border:1px solid var(--line); border-radius:12px; overflow:hidden; }
}

/* ---------- Screenshots, FAQ ---------- */
.shots { display:grid; grid-auto-flow:column; grid-auto-columns:min(260px, 70vw); gap:16px; overflow-x:auto; padding:4px 4px 12px; scroll-snap-type:x mandatory; -webkit-overflow-scrolling:touch; }
.shots figure { margin:0; scroll-snap-align:start; }
.shots img { width:100%; border-radius:18px; border:1px solid var(--line); box-shadow:var(--shadow); }
.shots figcaption { font-size:13px; color:var(--muted); margin-top:8px; text-align:center; }
details.faq { border-top:1px solid var(--line); padding:14px 0; }
details.faq:first-of-type { border-top:0; padding-top:0; }
details.faq summary { cursor:pointer; font-weight:600; list-style:none; display:flex; justify-content:space-between; gap:12px; font-size:16px; }
details.faq summary::-webkit-details-marker { display:none; }
details.faq summary::after { content:"+"; color:var(--cobalt); font-weight:700; font-size:20px; line-height:1; }
details.faq[open] summary::after { content:"–"; }
details.faq .prose { padding-top:10px; }

/* ---------- Contact / footer ---------- */
.contact { display:grid; gap:24px; grid-template-columns:minmax(0,2fr) minmax(0,1fr); }
@media (max-width:760px) { .contact { grid-template-columns:1fr; } }
.contact p { margin:0 0 10px; }
footer { background:#fff; border-top:1px solid var(--line); padding:28px 0; color:var(--muted); font-size:14px; }
footer .wrap { display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; align-items:center; }
footer a { color:var(--muted); }
footer .brand { color:var(--navy); font-size:16px; }
footer .brand img { width:28px; height:28px; border-radius:8px; }
footer ul { list-style:none; display:flex; gap:18px; margin:0; padding:0; flex-wrap:wrap; }
.pagination { display:flex; gap:6px; justify-content:center; margin-top:20px; flex-wrap:wrap; }
.pagination a, .pagination span { padding:6px 12px; border-radius:8px; border:1px solid var(--line); background:#fff; text-decoration:none; }